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-   -   99-4.3L v6 coad 1345 cam/crank need help (https://www.truckforums.com/forum/chevy-gmc-small-trucks-forum-13/99-4-3l-v6-coad-1345-cam-crank-need-help-4732/)

vtech1 10-08-2007 03:46 PM

99-4.3L v6 coad 1345 cam/crank need help
 
I have a high milage great running 99 s10- 4.3LV6.i've replaced the cam & crank sensores, did major tuneup.cleared coadseveral times and it still shows 1345 coad and wont pass inspection.i've replaced the pcmwith a matching used one,did'nt help so i put the original one back in.timing is correct and im thinking its a problem with the reluctor ring on the crankshaft in front of the timing gears and behind the timing chain cover.this is just a guess, i need to know how to clear this coad permanatly or fix the problem. i still drivemy truck on a daily basis,any quilifide suggestions would help. if you need more spacifics please contact me thanks.

Streakn 10-14-2007 01:39 PM

RE: 99-4.3L v6 coad 1345 cam/crank need help
 
Have you tried the wiring harness? Electrical codes and faults are hard to trace if a replacement part doesn't do the trick then you have to check the wiring.

Argon 10-14-2007 02:51 PM

RE: 99-4.3L v6 coad 1345 cam/crank need help
 
what is 1345?..cam position?

vtech1 10-19-2007 02:19 PM

RE: 99-4.3L v6 coad 1345 cam/crank need help
 
Thanks Streakin, Your the second tech that has brought that up and thats what i'm going to look into.
[sm=thanx.gif]

vtech1 11-01-2007 10:36 PM

RE: 99-4.3L v6 coad 1345 cam/crank need help
 
Howdy, Argon. A code 1345 cam/crank positioning readout is a bitc.......... it is dealing with a random misfire thruout the drivetrain. Some readouts have stated, A loose sensorconnection and or valve train
problem.Great help the readouts are.
[sm=headbang.gif]


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